Digital Currency Summit: capital markets blockchain conference in London 2016. Speaker: Aleks Nowak BlockEx (Digital Asset eXchange Platform) is a digital asset issuance and trading platform. BlockEx is not in the business of picking winners in this burgeoning distributed ledger ecosystem, instead BlockEx is protocol agnostic, recognising that multiple blockchains, both existing and yet to be developed, can coexist; i.e. Bitcoin, Credits, Ethereum etc.